The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 1989
Filed:
May. 28, 1987
Applicant:
Inventors:
Christer Bergstrom, Helsinki, FI;
Tor H Palmgren, Helsinki, FI;
Assignee:
Neste Oy, , FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428500 ; 428463 ; 428483 ; 4284763 ; 428522 ; 525301 ; 525285 ;
Abstract
The present invention relates to a modified polyolefine which has good adhesion to metals and to polar substances. The polyolefine is admixed with or grafted to fumaric acid. The fumaric acid may be added at about 0.01-20%, preferably 0.01-1% of the polyolefine weight, while the preferred polyolefine is an ethylene copolymer.